The KTM brand philosophy of “Ready to Race” is embodied in the new KTM ATV line. The  525XC set new standards for production race ready sport ATVs. Extensive ATV racing research and development with professional level riders combined with KTM‘s knowledge of engine performance and chassis development mated to premium race components have created the ultimate cross country race ready ATV.525 Shared Components39mm Keihin FCR Flat Slide Carb with TPS –ultra responsive and easy to tune Electric Start–quick starts in any gear, less rider fatigue Re-designed Engine Cases –wider to accommodate reverse gear Dry Sump Design Without an External Oil Tank–increased engine performance due to dry sump design –low center of gravity –Engine Design Enhances ServiceabilityEasy Spark Plug Access –can be replaced without removing plastic or fuel tankCylinder Head Design Offers 4-Valve and SOHC –offers easy access for valve adjustment and inspectionEngine, Clutch and Gearbox use common oil lubrication –with easy access to oil filtersTwin Oil Filters and Twin Bottom Oil Strainers–extends engine life under harsh conditionsEngine Oil Sight Glass–easy to read for quick, accurate oil level checksLightweight Curved Aluminum Radiator –shape increases the volume of water and improves air flowUtilizes a Thermostat and Electric Cooling Fan -–optimizes engine temperature for increased performance during race conditionsRadiator Protection–race designed mud shields to keep the radiator clean under harsh conditionsNew 5 Speed Transmission With Reverse–allows for less shifting while racing with the convenience of reverseReverse is Located “Below”First Gear Left Handle Bar Mounted Reverse Lever–easy to operate without taking your hand off the handlebarMagura Hydraulic Clutch –offers light lever effort and automatic adjustmentQuick Change Clutch Cover –offers quick clutch service under race conditionsStainless Steel Braided Clutch Line–reduces line flex and increases line durabilityAdjustable Lever With Integrated Break Point –improved rider ergonomics and race functionalityPerformance Tuned Exhaust With Aluminum Canister–Lightweight, high flow designEquipped With USFS Spark Arrestor-serviceableUnique HighFlow Airbox Design With Snorkel–allows for high airflow to the engine for maximum performance while drawing air from the highest point to reduce water & mud intakeQuick Release Seat and an Airfilter Design That Requires No Tools for Service –offers quick change during race conditionsUtilizes the Same Air Filter as the SX MotorcyclesChassisLightweight Chrome-moly Steel Design –utilizes proven SX main frame designand provides excellent durability and performanceChassis Design Places the Engine Low–for low center of gravity and provides the optimum countershaft to swingarm pivot positionRemovable Aluminum Subframe–Lightweight design for easy maintenance –incorporates ATV flag holderRemovable Aluminum Rear Grab BarChrome-moly Steel Upper and Lower Control Arms–for increased durabilityLower Control Arms Use a Swept Design–for increased ground clearanceA-Arm Width Designed Specifically for Cross Country RacingUpper Control Arm with Replaceable Hym Joint Bearings –offers complete camber and caster adjustabilityReplaceable Upper and Lower Ball Joints –designed for easy maintenanceReplaceable Lower Needle Bearings–designed for easy maintenanceIndustry ExclusiveSteering Stabilizer Mount –designed into the chassis for direct mount on the bottom of the steering stemStrong Chrome-moly Steel Rear Swingarm –excellent durability for tough race conditionsPlastic Nylon Swingarm Skid Plate –lightweight, durable –offers good ground clearance and built it chain guidePlastic Nylon Full Length Chassis Skid Plate –Lightweight, durable, easily slides over obstaclesEccentric Chain Adjuster –quick easy chain adjustmentsHigh Quality Tapered Roller Bearings Support the Rear Axle–carrier includes easy access grease zerk for easy bearing lubricationAdjustable Axle Width for Race Conditions –Range 45.5”–48.5”Self Locking Rear Axle Nut–quick race tire changesSuspension and BrakesFront Suspension / Ohlins –premium ATV suspension with high brand and industry awarenessDual Rate Springs With Adjustable Crossover -Fully Adjustable for Rider Preference and Style–Pre-load, compression and rebound –11”of front suspension travel –excellent big bump capability and small bump complianceLightweight Aluminum Bodies With Aluminum Piggyback Reservoirs –low unsprung weight for improved suspension actionPowerful Mugura Four Piston Front Brakes –utilizes a fixed caliper designLarge 180mm Floating Brake Discs–vented for cooling and wave design for cleaning capabilityStainless Steel Braided Brake Line–greatly reduces line flex for increased performanceAdjustable Lever With Integrated Break Point and Lightweight Parking Brake –improved rider ergonomics and race functionalityRear Suspension / Ohlins –premium ATV suspension with high brand and industry awarenessPosition Damping System (PDS) with No Link Design –provides excellent shock action with lower weight and increased ground clearance –easy shock maintenanceFully Adjustable for Rider Preference and Style–pre-load, compression and rebound –11”of front suspension travelLightweight Aluminum Body With Aluminum Piggyback Reservoir –low unsprung weight for improved suspension action Powerful Mugura Single Piston Rear Brake –utilizes a floating caliper design Large 200mm Brake Disc–vented for cooling and cleaning capability Integrated Reservoir Master Cylinder–durable, lightweight system Stainless Steel Braided Brake Line–greatly reduces line flex for increased performance Lightweight Aluminum Rear Brake Pedal–mounted inside the frame rail on a ball bearing with dual adjustment for height and free playReady to Race ComponentsRace Ready Douglas Aluminum Rims –Lightweight, rolled edge for strength with common industry bolt patternHigh Quality 520 Low Drag X-Ring Chain –designed to minimize maintenance and adjustments for long life in race conditionsAluminum Sprockets–quick change sprocket design for easy gearing changesRace Designed Oversized Fuel Tank –ergonomically designed to help hold the rider in turns -high fuel capacity for XC races –3.5 gallons –includes petcock with reserveQuick Release ¼Turn Fuel Cap–quick release for mid-race fuelingPerformance Engineered Heel Guards –large holes to release mud and water –designed to flex slightly to prevent breakageExtra Wide Serrated Foot Pegs–provide excellent stability with angled outside edge –designed for bolt on nerf bars Magura Aluminum Handlebar –Tapered handlebar to add strength and reduce vibration –hand guard compatibleAdjustable Steering Stem Clamp and Handlebar Clamps–new industry standard provides 4 position adjustability for improved rider ergonomicsRace Ready Safety Lanyard –automatic engine shut off when pulled with press button engine killKey and Light Panel–provides information and securityMulti-Reflector Headlight –super bright headlight with daytime running lamp –powered by a 200 watt charging coil which allows for auxiliary lightingLED Brake and Taillight–lightweight light is small and compact and well protectedRemovable Front Fenders –for specific race applicationsRemovable Front and Rear Plastic–designed for easy removal for chassis and engine serviceRider Ergonomics -narrow design –comfortable seat –adjustable levers/ barsSpecifications 2008 525 XC
Technical Fasts and FiguresENGINE & DRIVETRAINEngine: single cylinder, 4-stroke, SOHC, 4-valve, liquid cooledDisplacement: 51O.4ccBore/Stroke: 95/72mmCompression Ratio: 11:1Starter/Battery: electric starter/4 AhTransmission: 5-speed XC semi-close-ratio + reverseCarburetor: Keihin FCR-MX 39Engine Lubrication: dry sump, pressure lubrication with 2 Eaton pumpsEngine Oil: 1.8 I fully synthetic 1OW-50Primary Ratio: 31:78Drive Chain: 520 x-ring chain 5/8 x 1/4"Cooling: liquid cooledClutch: wet multi-disc clutch, operated hydraulicallyIgnition: Kokusan digitalCHASSISFrame: chromoly (25CRMO4)Subframe: aluminum 7020Handlebar: Magura tapered aluminum, 0 28 mmFront Suspension: Ohlins fully adjustable – dual rate w/crossover, chromoly twin A-armsRear Suspension: Ohlins PDS mono-shock, fully adjustable, chromoly swingarmSuspension Travel Front/Rear: 257/265mm / 10.1/10.4"Front Brake: 18Omm/7.O8" floating WAVE discs, 4-piston fixed caliper x 2Rear Brake: 2OOmm/7.87" disc, single piston floating caliperFront/Rear Rims: 5.0" x 10.0" / 8.0" x 9.0" DouglasFinal Drive: 14:38Length/Width/Height: 181O/1148/1125mm – 71.26"/45.20"/44.29"Wheelbase: 128Omm/5O.39"Ground Clearance (Unloaded): 29Omm/ 11.42"Seat Height: 82Omm/32.2"Fuel Capacity: approx. 13.4 liters / 3.54 U.S. gallonsTotal Weight (Without Fuel): approx. 162 kgs / 357.1 lbs